<!DOCTYPE html>
<html>

<head>
    <meta charset="utf-8"/>
    <title>Vue示例</title>
</head>

<body>
<div id="app">
    <input type="text" v-focus>
</div>
<script charset="utf-8" src="../js/vue.min.js" type="text/javascript"></script>
<script type="text/javascript">
    Vue.directive('focus', {
        inserted: function (el) {
            // 聚焦元素
            el.focus();
        }
    });

    var app = new Vue({
        el: '#app',
    })
</script>
</body>

</html>